Microsoft Entra B2B in national clouds

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Azure national clouds are physically isolated instances of Azure. B2B collaboration isn't enabled by default across national cloud boundaries, but you can use Microsoft cloud settings to establish mutual B2B collaboration between the following Azure clouds:

  • Azure global cloud and Microsoft Azure operated by 21Vianet

B2B collaboration across Azure clouds

To set up B2B collaboration between tenants in different clouds, both tenants need to configure their Microsoft cloud settings to enable collaboration with the other cloud. Then each tenant must configure inbound and outbound cross-tenant access with the tenant in the other cloud. For details, see Microsoft cloud settings.

B2B collaboration in Microsoft Azure operated by 21Vianet

Microsoft Azure operated by 21Vianet supports the following identity providers for B2B collaboration:

  • Microsoft Entra ID
  • SAML/WS-Fed

For more information about Microsoft Azure operated by 21Vianet, see Service availability and roadmaps.

Next steps

See the following articles on Microsoft Entra B2B collaboration: